TY - RPRT TI - Oligocene and earliest Miocene diatom biostratigraphy of ODP leg 199 site 1220, equatorial Pacific AU - John A. Barron AU - Elisabeth Fourtanier AU - S. M. Bohaty PY - 2004 DO - 10.2973/odp.proc.sr.199.204.2004 UR - https://pubs.usgs.gov/publication/70228824 ID - 70228824 ER -